ASTM has recently released a new revision to Standard Test Method for Cetane Number of Diesel Fuel Oil, D613-17b, which incorporates changes that affects use of current diesel products by engine users.

Cetane Number ARV ranges are now specified (versus recommended) for High and Low Check fuels as well as Secondary Reference Fuels. In addition, maximum levels of Hydroperoxide number, mg/kg as O, have also been specified for High and Low Check fuels as well as Secondary Reference Fuels. The changes are summarized in the following table:

SPECIFICATIONS FOR SECONDARY REFERENCE FUELS AND CHECK FUELS

Secondary Reference Fuels

Check Fuels

Property

T-Fuel

U-Fuel

Low

High

Test Method

Cetane Number ARV, Minimum

73

19

38.

50.

ASTM D613

Cetane Number ARV, Maximum

76

22

42.

55.

ASTM D613

Hydroperoxide number, mg/kg as O, Maximum

5.0

5.0

5.0

5.0

ASTM D3703

Going forward users of High and Low Check fuels as well as Secondary Reference Fuels should make sure their fuels meet this new ASTM standard. Customers of Haltermann Solutions™ using fuel in their inventory can use these fuels with confidence as Haltermann Solutions™ has evaluated its current supply (and product delivered to our customers) and determined that all its High and Low Check fuels as well as Secondary Reference Fuels meet this new requirement and have revised Certificates of Analysis (CoAs) to reflect this change. Should any of our customers require a revised CoA for its files, please contact Mr. Lyall Keary (832) 376-2245 lkeary@jhaltermann.com or Don Phillips (313)590-1835 Dphillips@jhaltermann.com.

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Haltermann Solutions™ (a division of Johann Haltermann, Ltd.) with business offices located in Houston, Texas, is a premier manufacturer of Specialty Fuels and is North America’s leading manufacturer of Test and Reference fuels for the automotive and industrial industry.